Can you live off-grid in Carroll County, Maryland?
93
of 100
Good with caveats
Yes. We found no major drawback on the land. Water is easy here, with about 45 inches of rain a year and wells near 160 feet.
What the land says
Rain
Rain can supply much of a household's water with a large tank. A garden mostly waters itself in normal years.
About 45 inches a year (PRISM, 1991 to 2020 average)
Wells
Typical well depth. Budget for a mid-range well.
The typical well here is about 160 feet deep; a well typically runs $7,000 to $17,000
Growing season
A full season for most vegetables.
About 199 frost-free days, USDA zone 7a; last frost about April 10, first about October 28
Sun
Good sun. Size the array and battery bank for winter.
About 4.7 hours of full sun a day, averaged over the year
Flood
Flood zones run along creeks and rivers here. Look up the parcel on FEMA's flood map.
FEMA maps flood zones within a quarter mile in parts of the county
Wildfire
Low wildfire risk.
U.S. Forest Service wildfire hazard map: Very Low here
Storms
Strong tornadoes pass through now and then. A safe room is worth pricing.
NOAA: no hurricane-strength storm within 50 miles since 1975; about 2 strong (EF2 or stronger) tornadoes a decade within 25 miles
Terrain
Rolling ground. Look for a flat house site.
Slopes average about 12%, about 690 feet above sea level
Soil
Good ground for a standard septic system. The county's soil test decides.
Loam, well drained (USDA soil survey). A standard system typically runs $5,000 to $10,000
Road
Paved roads are close by.
Nearest paved road usually within about 0.5 miles (OpenStreetMap)
Check a Maryland parcel, or plan the one you own
Get a free 0-100 off-grid score.
A step-by-step build plan, sizing your solar, water, garden, septic, heat, and buildings.
Is it legal here?
Zoning
Carroll County zones land outside its towns and publishes its zoning map. Our free lookup shows the district for any address.
Building code
Maryland has a statewide building code, the Maryland Building Performance Standards (based on the 2021 International Residential Code for homes), and every county, or in some places the city or town, must enforce it with building permits, inspections, and an occupancy certificate.
Rainwater
Collecting it is allowed.
Composting toilets
Allowed with a permit and an approved unit.
Water rights
Owners of land along a creek or lake can make reasonable use of its water.
Drilled to about 160 feet, with pump and pressure tank
Septic
$5,000 to $10,000
Standard system
Solar and batteries
$21,000 to $35,000
Sized for a modest household
Road or driveway
$3,000 to $8,000
From the nearest road to a house site
Clearing
$1,000 to $4,000
A house site, solar, and garden
Total
$37,000 to $73,000
Before the house
Before you make an offer on land here
Flood map
Look up the parcel on FEMA's flood map.
Flood zones run along creeks and rivers here. Building in one means flood insurance and extra permits.
Zoning
Look up the parcel's zoning district with our free tool.
The county publishes its zoning map.
Soil test
Get a soil test before you count on septic.
The county has to approve the ground before it issues a septic permit.
Nearby counties
176,639 people live in Carroll County, about 394.6 per square mile. It ranks tied for 15th of the 23 Maryland counties we scored, and Maryland ranks 5th of 50 states.